Condensed Consolidated Statements of Comprehensive Income (Loss) (unaudited) - USD ($) $ in Millions	3 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Statement of Comprehensive Income [Abstract]
Net income	$ 150	$ 156
Other comprehensive (loss) income:
Currency translation adjustment	(22)	(16)
Net change in fair value of effective portion of cash flow hedges	(32)	167
Net change in pension and other benefits	(3)	(4)
Other comprehensive (loss) income before income tax effect	(57)	147
Income tax (benefit) provision related to items of other comprehensive (loss) income	(10)	42
Other comprehensive (loss) income, net of tax	(47)	105
Comprehensive income	103	261
Comprehensive loss attributable to noncontrolling interests, net of tax	(1)	0
Comprehensive income attributable to our common shareholder	$ 104	$ 261